Find the area of the regular 15-gon with radius 12 mm

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?